19800501

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1063}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 30234624

約数和(自身を除く): 10434123

約数列:

[1, 3, 7, 21, 887, 1063, 2661, 3189, 6209, 7441, 18627, 22323, 942881, 2828643, 6600167, 19800501]

約数ペア:

[(1, 19800501), (3, 6600167), (7, 2828643), (21, 942881), (887, 22323), (1063, 18627), (2661, 7441), (3189, 6209)]